Mop holder



FIG. 1 is a top perspective view of a mop holder, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an elevational view of the end opposite that shown in FIG. 1;

FIG. 4 is a side elevational view the opposite side being a mirror image thereof;

FIG. 5 is a bottom plan view thereof.

The broken line disclosure of a mop and handle in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a mop holder, as shown and described. 